/*
* JBoss, Home of Professional Open Source.
* Copyright 2012, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.ejb3.remote.protocol.versionone;
import org.jboss.as.ejb3.component.interceptors.CancellationFlag;
import org.jboss.as.ejb3.remote.RemoteAsyncInvocationCancelStatusService;
import org.jboss.logging.Logger;
import org.jboss.remoting3.MessageInputStream;
import java.io.DataInputStream;
import java.io.IOException;
/**
* Handles a message corresponding to a invocation cancellation request
*
* @author Jaikiran Pai
*/
class InvocationCancellationMessageHandler extends AbstractMessageHandler {
private static final Logger logger = Logger.getLogger(InvocationCancellationMessageHandler.class);
private final RemoteAsyncInvocationCancelStatusService remoteAsyncInvocationCancelStatus;
InvocationCancellationMessageHandler(final RemoteAsyncInvocationCancelStatusService asyncInvocationCancelStatus) {
this.remoteAsyncInvocationCancelStatus = asyncInvocationCancelStatus;
}
@Override
public void processMessage(ChannelAssociation channelAssociation, MessageInputStream messageInputStream) throws IOException {
final DataInputStream input = new DataInputStream(messageInputStream);
// read the id of the invocation which needs to be cancelled
final short invocationToCancel = input.readShort();
// get the cancellation flag (if any) for the invocation id
final CancellationFlag cancellationFlag = this.remoteAsyncInvocationCancelStatus.getCancelStatus(invocationToCancel);
if (cancellationFlag == null) {
return;
}
// mark it as cancelled
cancellationFlag.set(true);
logger.debug("Invocation with id " + invocationToCancel + " has been marked as cancelled, as requested");
}
}